Ao dar comando UPdate-Database, ele me retorna uma mensagem de erro;
A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 52 - Unable to locate a Local Database Runtime installation. Verify that SQL Server Express is properly installed and that the Local Database Runtime feature is enabled.)Sim, eu tenho o SQL Server Express instalado na minha maquina. Notei também,que o Visual Studio não tem o menu SQL SERVER OBJECT EXPLORER